Power management is packaged in a Tape & Reel (TR) way. For your reference, this PMIC includes a list of SOT-23-5 functions. It is also possible to use other types of IC, such as POWER SUPPLY SUPPORT CIRCUIT, in this supervisor.
RP300N23AC2-TR-FE Features
RP300N23AC2-TR-FE Applications
There are a lot of RICOH Electronic Devices Co., LTD. RP300N23AC2-TR-FE Voltage Supervisors applications.